Recent content by Bruce Talbot

  1. Bruce Talbot

    Phantom 4 for survey work

    How many of you out there are using your P4's for survey work - any interest in joining a thread to discuss experiences there ?
  2. Bruce Talbot

    Barometer calibration

    Hi Erised - and thanks for your response - yes, this was quite an issue. Actually it is the altitude estimated in the image exif file that seemed to be causing the problems when generating a surface model (using Agisoft photoscan) - Here the estimated altitude of the images was around 175...
  3. Bruce Talbot

    Barometer calibration

    Any advice / experiences to share on calibrating the barometer on a P4 ?- after flying at high altitude (around 800 m asl) I now get very big errors in altitude estimates in the image data when flying nearer sea level..... Could this be affected by temperature (flying at < 5 degs celcius / 41...
  4. Bruce Talbot

    Autopilot bombing out on iPad2

    Thanks everybody for your prompt responses. This is the response I got from Steve at Autoflight logic - just thought I would share it in case anyone else is having the same issue: In some cases, there does appear to be a very infrequent issue of such "app crashing." We have inquired of DJI...
  5. Bruce Talbot

    Autopilot bombing out on iPad2

    Does anyone have any advice on why Autopilot [3.7] might be bombing out halfway through the mission - leaving my Phantom 4 stranded in mid-air ? - very frustrating as the mission apparently has to be restarted from scratch...